Home / 3,511.90-4,846.46-1,939.98

Finding the Fourth Proportional to 3,511.90, 4,846.46 and 1,939.98

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Solution

The fourth proportional to 3,511.90, 4,846.46 and 1,939.98 is: 2,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.90 : 4,846.46 = 1,939.98 : x
  2. Step 2: Convert to fraction form
    3,511.90/4,846.46 = 1,939.98/x
  3. Step 3: Cross multiply
    3,511.90x = 4,846.46 × 1,939.98
  4. Step 4: Simplify right side
    3,511.90x = 9,402,035.47
  5. Step 5: Solve for x
    x = 9,402,035.47/3,511.90
  6. Step 6: Final answer
    x = 2,677.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.